I don't understand exactly what you are asking but the bar on the left comes from the
USERCP_SHELL template.
I don't know for sure but I would try this...
(edited and working)
In the USERCP_SHELL template find:
Code:
<!-- table to support left column nav -->
Below it add:
Code:
<if condition="THIS_SCRIPT != 'private'">
Then find:
Code:
</script>
<!-- / moderation popups -->
</if>
</td>
<td> </td>
Below it add:
That should remove it for PM's but I didn't test it.